| Keyword | CPC | PCC | Volume | Score |
|---|---|---|---|---|
| are masks effective for new covid strain | 0.74 | 0.5 | 528 | 76 |
| are masks effective for covid | 0.17 | 0.4 | 5515 | 80 |
| how effective are surgical masks for covid | 1.95 | 0.9 | 8925 | 16 |
| masks effective against new strain | 0.68 | 0.8 | 7571 | 76 |
| how effective are masks in preventing covid | 1.83 | 0.4 | 2813 | 10 |
| efficacy of wearing masks for covid | 1.55 | 1 | 863 | 36 |
| effectiveness of masks against covid | 1.53 | 0.5 | 9053 | 13 |
| effectiveness of wearing a mask for covid | 1.9 | 0.3 | 3306 | 77 |
| effectiveness of masks in preventing covid | 1.32 | 0.2 | 5590 | 63 |
| efficacy of masks during covid | 0.89 | 0.5 | 104 | 54 |
| efficacy of wearing masks to prevent covid | 0.7 | 0.1 | 6600 | 44 |
| does wearing masks reduce covid spread | 0.53 | 1 | 979 | 75 |
| covid mask type effectiveness | 1.8 | 0.6 | 1269 | 10 |
